Investigation of optical and structural properties of iron oxide nanostructures synthesized by co-precipitation method

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 60

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شناسه ملی سند علمی:

JR_JOPN-7-3_006

تاریخ نمایه سازی: 25 بهمن 1402

چکیده مقاله:

In this research, iron oxide nanostructureshave been successfully synthesized using the coprecipitationmethod. The results of structural studiesusing X-ray diffraction (XRD) analysis showed that thesynthesized samples have a simple cubic structure. Thelattice parameter of these synthesized nanostructures wascalculated with the aid of the Rietveld refinementmethod. It was found that the lattice parameter is about۸.۳۸۸ Å. Electron microscopy images (SEM) showed thatthe samples have sheet likes shapes. From SEM images,it was found that the synthesized nanosheets' thicknesswas about ۳۳ nm. The optical properties of the sampleswere also studied using ultraviolet-visible spectroscopy.These studies showed that the samples have a broadabsorption peak of about ۳۵۰ nm. The samples wereirradiated with a beam with a wavelength of ۲۰۵ nm tomeasure the emission spectra. There were severalemission peaks observed in the emission spectra ofsamples. The highest emission peaks were observed at۴۸۲nm and ۵۲۷ nm, respectively.

نویسندگان

Mostafa Arjomandi Lari

Department of Electrical Engineering, Dariun branch, Islamic Azad University, Dariun, Iran

saeed parhoodeh

Physics Department, Shiraz branch, Islamic Azad University, Shiraz, Iran

Ghader Alahverdi

Physics Department, Shiraz branch, Islamic Azad University, Shiraz, Iran & Department of Biochemistry, Fasa University of Medical Sciences, Fasa, Iran

Ali Rohani Sarvestani

Physics Department, Shiraz branch, Islamic Azad University, Shiraz, Iran

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